Any tattoo requires lots of patience, skill, and a steady hand, of course. In addition to that, it calls for a beautiful design. And combining it all usually results in some quite impressive works ...

Add Yahoo as a preferred source to see more of our stories on Google. A group of MIT and Harvard Medical School researchers explored the possibility of color-changing, health-monitoring tattoos. The ...

Scientists in Germany have developed three different tattoo dyes that change color based on the levels of certain health markers in the blood. Scientists are developing color-changing inks that may ...

When a pair of tourists hiking the Alps stumbled across the frozen remains of the mummy Ötzi in 1991 they also, unknowingly, discovered the oldest known examples of tattoos in history. The ...

Scientists in Germany have developed an intradermal tattoo that changes color in response to fluctuations in glucose, albumin, and pH levels. Tests on animal skin have shown that the tattoos ...

In Neal Stephenson’s sci-fi novel The Diamond Age, body art has evolved into “constantly shifting mediatronic tattoos”—in-skin displays powered by nanotech robopigments. In the 25 years since the ...

A person applying the color-changing tattoo, and a color chart for the medical-alerting tattoo. Ali Yetisen et al. Soon, tattoos won’t just show how cool you are — they’ll also show how healthy you ...